# Copyright (c) 2017-2019 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
"""Test wallet load on startup.

Verify that a bitcoind node can maintain list of wallets loading on startup
"""

from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import assert_equal


class WalletStartupTest(BitcoinTestFramework):
    def set_test_params(self):
        self.setup_clean_chain = True
        self.num_nodes = 1
        self.supports_cli = True

    def skip_test_if_missing_module(self):
        self.skip_if_no_wallet()

    def setup_nodes(self):
        self.add_nodes(self.num_nodes)
        self.start_nodes()

    def run_test(self):
        self.log.info("Should start without any wallets")
        assert_equal(self.nodes[0].listwallets(), [])
        assert_equal(self.nodes[0].listwalletdir(), {"wallets": []})

        self.log.info(
            "New default wallet should load by default when there are no other wallets"
        )
        self.nodes[0].createwallet(wallet_name="", load_on_startup=False)
        self.restart_node(0)
        assert_equal(self.nodes[0].listwallets(), [""])

        self.log.info("Test load on startup behavior")
        self.nodes[0].createwallet(wallet_name="w0", load_on_startup=True)
        self.nodes[0].createwallet(wallet_name="w1", load_on_startup=False)
        self.nodes[0].createwallet(wallet_name="w2", load_on_startup=True)
        self.nodes[0].createwallet(wallet_name="w3", load_on_startup=False)
        self.nodes[0].createwallet(wallet_name="w4", load_on_startup=False)
        self.nodes[0].unloadwallet(wallet_name="w0", load_on_startup=False)
        self.nodes[0].unloadwallet(wallet_name="w4", load_on_startup=False)
        self.nodes[0].loadwallet(filename="w4", load_on_startup=True)
        assert_equal(set(self.nodes[0].listwallets()), {"", "w1", "w2", "w3", "w4"})
        self.restart_node(0)
        assert_equal(set(self.nodes[0].listwallets()), {"", "w2", "w4"})
        self.nodes[0].unloadwallet(wallet_name="", load_on_startup=False)
        self.nodes[0].unloadwallet(wallet_name="w4", load_on_startup=False)
        self.nodes[0].loadwallet(filename="w3", load_on_startup=True)
        self.nodes[0].loadwallet(filename="")
        self.restart_node(0)
        assert_equal(set(self.nodes[0].listwallets()), {"w2", "w3"})


if __name__ == "__main__":
    WalletStartupTest().main()
